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Last iteration of enhanced for loop in java

...n't use "" + i, by the way - you don't really want concatenation here, and StringBuilder has a perfectly good append(int) overload.) int[] array = {1, 2, 3...}; StringBuilder builder = new StringBuilder(); for (int i : array) { if (builder.length() != 0) { builder.append(","); } ...
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URL encoding the space character: + or %20?

...form that uses +. So you're most likely to only see + in URLs in the query string after an ?. share | improve this answer | follow | ...
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How to “perfectly” override a dict?

...r that ensures keys are passed into the dict in lowercase form if they are strings. If I override __getitem__/__setitem__, then get/set don't work. How do I make them work? Surely I don't need to implement them individually? Well, implementing them each individually is the downside to this app...
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How can I sanitize user input with PHP?

...at you should do, to avoid problems, is quite simple: whenever you embed a string within foreign code, you must escape it, according to the rules of that language. For example, if you embed a string in some SQL targeting MySQL, you must escape the string with MySQL's function for this purpose (mysql...
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Get user profile picture by Id

...=picture.type(large) this is useful when you have something like this, String url = "graph.facebook.com/me?fields=id,name,email,picture.type(large) as mentioned in other answers you can replace large with normal,small,square... – yajnesh Dec 16 '15 at 11:4...
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How do you access the matched groups in a JavaScript regular expression?

I want to match a portion of a string using a regular expression and then access that parenthesized substring: 22 Answers...
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Any reason to prefer getClass() over instanceof when generating .equals()?

...return super.equals(object) when !(object instanceof Dog) but checking the extra fields when it is a Dog instance wouldn't violate symmetry but would violate transitivity) – Shadow Man Jul 16 '19 at 0:16 ...
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How do I check if a string is valid JSON in Python?

In Python, is there a way to check if a string is valid JSON before trying to parse it? 4 Answers ...
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Using a Single Row configuration table in SQL Server database. Bad idea?

... same default value (null/empty?) negative: everything has to be stored as strings (ie. nvarchar) negative: when dealing with the settings in code, you have to know what type a setting is and cast it The single row option is by far the easiest one to work with. This is because you can store each se...
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Python's many ways of string formatting — are the older ones (going to be) deprecated?

Python has at least six ways of formatting a string: 5 Answers 5 ...